diff --git a/app/Http/Controllers/Admin/OtherController.php b/app/Http/Controllers/Admin/OtherController.php
index 23b6186..8cdeb09 100755
--- a/app/Http/Controllers/Admin/OtherController.php
+++ b/app/Http/Controllers/Admin/OtherController.php
@@ -264,22 +264,25 @@ class OtherController extends CommonController
                     if ($children && $children->count() > 0) {
                         $includedTypeIds = $includedTypeIds->merge($children->pluck('id'));
                     }
-                    $includedTypeIds = $includedTypeIds->unique()->values();
+                    // history_courses.type 是字符串，统一按字符串比对更稳定
+                    $includedTypeIds = $includedTypeIds->unique()->values()->map(function ($id) {
+                        return (string)$id;
+                    });
 
                     // 历史课程数据（添加时间范围限制；仅统计 type 为 is_history=0 的，is_history=1 的由下方「与 courses-home 口径一致」块统计，避免重复）
                     // 口径升级：history_courses.type 存的是课程体系ID字符串，直接按 includedTypeIds 归集（避免名称匹配漂移）
                     $historyCourse = HistoryCourse::whereIn('type', $includedTypeIds)
-                        ->whereHas('typeDetail', function ($query) {
-                            $query->where('is_history', 0);
-                        })->where(function ($query) use ($configStartDate, $configEndDate) {
-                        $query->whereBetween('start_time', [$configStartDate, $configEndDate])
-                            ->orWhereBetween('end_time', [$configStartDate, $configEndDate]);
-                    })->get();
+                        ->where(function ($query) use ($configStartDate, $configEndDate) {
+                            // 采用“区间相交”口径，避免漏掉跨越整个区间的课程
+                            $query->where('start_time', '<=', $configEndDate)
+                                ->where('end_time', '>=', $configStartDate);
+                        })->get();
                     // 实际课程数据（添加时间范围限制）
                     $courses = Course::whereIn('type', $includedTypeIds)->where('is_chart', 1)
                         ->where(function ($query) use ($configStartDate, $configEndDate) {
-                            $query->whereBetween('start_date', [$configStartDate, $configEndDate])
-                                ->orWhereBetween('end_date', [$configStartDate, $configEndDate]);
+                            // 采用“区间相交”口径，避免漏掉跨越整个区间的课程
+                            $query->where('start_date', '<=', $configEndDate)
+                                ->where('end_date', '>=', $configStartDate);
                         })->get();
                     $configCourseIds = $configCourseIds->merge($courses->pluck('id'));
                     // 历史课程期数